Abraham Kamarck retweetledi

Two years of structured, vigorous exercise reversed about 20 years of age-related structural changes in the hearts of sedentary 50-year-olds
Under Dr. Ben Levine’s protocol, participants gradually built up to 5–6 hours/week of training, including Norwegian 4x4 intervals, endurance sessions, and strength work
By the end, the size and stiffness of their hearts resembled those of a typical 30-year-old
Vigorous exercise is powerful medicine
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